Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Prophecy.
Chris@0:  * (c) Konstantin Kudryashov <ever.zet@gmail.com>
Chris@0:  *     Marcello Duarte <marcello.duarte@gmail.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Prophecy\Argument\Token;
Chris@0: 
Chris@0: /**
Chris@0:  * Logical AND token.
Chris@0:  *
Chris@0:  * @author Boris Mikhaylov <kaguxmail@gmail.com>
Chris@0:  */
Chris@0: class LogicalAndToken implements TokenInterface
Chris@0: {
Chris@0:     private $tokens = array();
Chris@0: 
Chris@0:     /**
Chris@0:      * @param array $arguments exact values or tokens
Chris@0:      */
Chris@0:     public function __construct(array $arguments)
Chris@0:     {
Chris@0:         foreach ($arguments as $argument) {
Chris@0:             if (!$argument instanceof TokenInterface) {
Chris@0:                 $argument = new ExactValueToken($argument);
Chris@0:             }
Chris@0:             $this->tokens[] = $argument;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Scores maximum score from scores returned by tokens for this argument if all of them score.
Chris@0:      *
Chris@0:      * @param $argument
Chris@0:      *
Chris@0:      * @return bool|int
Chris@0:      */
Chris@0:     public function scoreArgument($argument)
Chris@0:     {
Chris@0:         if (0 === count($this->tokens)) {
Chris@0:             return false;
Chris@0:         }
Chris@0: 
Chris@0:         $maxScore = 0;
Chris@0:         foreach ($this->tokens as $token) {
Chris@0:             $score = $token->scoreArgument($argument);
Chris@0:             if (false === $score) {
Chris@0:                 return false;
Chris@0:             }
Chris@0:             $maxScore = max($score, $maxScore);
Chris@0:         }
Chris@0: 
Chris@0:         return $maxScore;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns false.
Chris@0:      *
Chris@0:      * @return boolean
Chris@0:      */
Chris@0:     public function isLast()
Chris@0:     {
Chris@0:         return false;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns string representation for token.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function __toString()
Chris@0:     {
Chris@0:         return sprintf('bool(%s)', implode(' AND ', $this->tokens));
Chris@0:     }
Chris@0: }